31401000100 has 36 divisors (see below), whose sum is σ = 69425845524. Its totient is φ = 12323409280.

The previous prime is 31401000053. The next prime is 31401000179. The reversal of 31401000100 is 100010413.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3843008064 + 27557992036 = 61992^2 + 166006^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2957059 + ... + 2967658.

It is an arithmetic number, because the mean of its divisors is an integer number (1928495709).

Almost surely, 2^31401000100 is an apocalyptic number.

It is an amenable number.

31401000100 is an abundant number, since it is smaller than the sum of its proper divisors (38024845424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31401000100 is a wasteful number, since it uses less digits than its factorization.

31401000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924784 (or 5924777 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 31401000100 its reverse (100010413), we get a palindrome (31501010513).

The spelling of 31401000100 in words is "thirty-one billion, four hundred one million, one hundred", and thus it is an aban number.